eters the compressor as a saturated vapor at 10°C and leaves the compressor at 1400 kPa with an enthalpy of 281.39 kJ/kg and a velocity of 50 m/s. The rate of work done on the refrig- erant is measured to be 132.4 kW. If the elevation change between the compressor inlet and exit is negligible, determine the rate of heat transfer associated with this process, in kW.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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In this problem, a refrigerant enters the compressor as a saturated vapor at 10°C and leaves the compressor at 1400 kPa with an enthalpy of 281.39 kJ/kg and a velocity of 50 m/s. The rate of work done on the refrigerant is measured to be 132.4 kW. If the elevation change between the compressor inlet and exit is negligible, determine the rate of heat transfer associated with this process, in kW.

**Diagram Explanation:**

The diagram labeled "FIGURE P5–172" illustrates a compressor where refrigerant R-134a is processed. 

- **Inlet:**
  - The refrigerant enters as a saturated vapor.
  - Conditions: 10°C, 5 kg/s.

- **Outlet:**
  - The refrigerant leaves at 1400 kPa.
  - Velocity: 50 m/s.

This setup is used to analyze the thermodynamic processes occurring within the compressor, focusing on work and heat transfer calculations.
Transcribed Image Text:In this problem, a refrigerant enters the compressor as a saturated vapor at 10°C and leaves the compressor at 1400 kPa with an enthalpy of 281.39 kJ/kg and a velocity of 50 m/s. The rate of work done on the refrigerant is measured to be 132.4 kW. If the elevation change between the compressor inlet and exit is negligible, determine the rate of heat transfer associated with this process, in kW. **Diagram Explanation:** The diagram labeled "FIGURE P5–172" illustrates a compressor where refrigerant R-134a is processed. - **Inlet:** - The refrigerant enters as a saturated vapor. - Conditions: 10°C, 5 kg/s. - **Outlet:** - The refrigerant leaves at 1400 kPa. - Velocity: 50 m/s. This setup is used to analyze the thermodynamic processes occurring within the compressor, focusing on work and heat transfer calculations.
**Problem 5-172:**

Refrigerant 134a enters a compressor with a mass flow rate of 5 kg/s and a negligible velocity. The refrigerant...

(Note: The text is incomplete and there are no graphs or diagrams to describe.)
Transcribed Image Text:**Problem 5-172:** Refrigerant 134a enters a compressor with a mass flow rate of 5 kg/s and a negligible velocity. The refrigerant... (Note: The text is incomplete and there are no graphs or diagrams to describe.)
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